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nice demo, it looks to me though that the both secondaries are nowhere near the same resonance frequency as the primary coil.You can peak them with the variable caps, but they seem to be at its minimum, so probably you need more inductance on the coils to have them resonate at the 1.14Mhz.

You could try to find out the resonance frequency by using a FG and scope and put them somehow in the same 1.14Mhz range.

Yes, I first test and calibrate the receiver coils with my FG while monitoring power (csr & voltage probes) using scope math. I also have a 3rd probe connected to a sensing coil to measure field strength. I tune the inductance and capacitance obviously to achieve resonance but don't stop there. I keep tuning the inductance and capacitance to achieve maximum field strength with minimum power while keeping it at 1.135MHz.Takes a while to get right but once it's done you'll find the Inductance is around 400uH and the capacitance is around 45pf.

As for why it's working better with the Air Capacitor may be due to the fact I did not use a collector plate antenna on me first 2 test videos. Test 3 video now have them and maybe now I can use a regular capacitor but I don't think I have anything that small on hand that can handle the voltage.

I think that for replication, it will be necessary to build the Tinselcoil circuit (modified Steve ward micro sstc ), because with the small tuning antenna on the TC4420, you are showing that the secondary can be totally disconnected from the circuit and directly connected to the ground.

So with this solid state circuit, it seems that you get a kind of "real" Teslacoil, but without the spark gap .

Yes i think you are also showing that the Tesla transmission will soon revive

Bravo

Laurent

PS if we could get the shematic of the TK's modified Ward's circuit with components value , it would be great

TK says, the main difference is that he did not use the FWB and transformer power supply from mains. He also put in a few extra decoupling capacitors for the 555 and the 4420.Anyone with the necessary experience to work with this circuit will know where to put those extra caps.Also, a warning that he cannot be held responsible for any injuries or damage due to the use of this apparatus.

TK says, the main difference is that he did not use the FWB and transformer power supply from mains. He also put in a few extra decoupling capacitors for the 555 and the 4420.Anyone with the necessary experience to work with this circuit will know where to put those extra caps.Also, a warning that he cannot be held responsible for any injuries or damage due to the use of this apparatus.

That's all I have

Hi Luc

Yes i already have this circuit, so no special modification

But one of my question is ,

As IMO you have really made a big change by disconnecting the secondary's "base" from the circuit by connecting it directly to the ground , can you please check if you also can suppress the 0.001uF 2kv capacitor across the mosfet (better said the tuning cap between L1 and L2)

And just for fun, in this forum and others ,we are trying to get better knowledge for ourself and sharing with other AT OUR OWN RISK, so nobody can be taken responsible for what he can share on a public forum, (so far there is no contractual selling), so no worry at all.

As IMO you have really made a big change by disconnecting the secondary's "base" from the circuit by connecting it directly to the ground , can you please check if you also can suppress the 0.001uF 2kv capacitor across the mosfet (better said the tuning cap between L1 and L2)

Yes Laurent, I can disconnect 0.001uF 2kv capacitor across the mosfet and the circuit still runs fine but uses about 35% more current. However, it's transmitting more power.Not sure if it transmits 35% more. That's too difficult to measure at this time.

Yes Laurent, I can disconnect 0.001uF 2kv capacitor across the mosfet and the circuit still runs fine but uses about 35% more current. However, it's transmitting more power.Not sure if it transmits 35% more. That's too difficult to measure at this time.

Hope this helps

Luc

So it seems that you are certainly on a real pure Tesla coil system, i mean total "physical (electrical) desolidarisation" of the exiting circuit and the " secondary free circuit "

fantastic

are we always in an induction (or capacitive ) "connection ", which should follow antropy's laws or not ??

I'm no expert on this but you may want to consider TinselKoala's quote "I think this is a capacitive E-field coupling system, not primarily electromagnetic-inductive"

Regards

Luc

Hi Luc and all

I have ordered the TC4420 and some components for replication of the "Tinseluc coil"

Now we are back at the main thema of this thread !

I have to say that this capacitive E-field coupling is not intuitive at all to me. I here this words since long ago, but i never seen a clear explanation of this system, and how can real energy (current and voltage) be conducted or transferred through this vector.

I would be so glad to improve my knowledge in so a fantastic phenomena

I have to say that this capacitive E-field coupling is not intuitive at all to me. I here this words since long ago, but i never seen a clear explanation of this system, and how can real energy (current and voltage) be conducted or transferred through this vector.

Hi Woopy. I haven't read through this thread, but I am attaching a quick sketch of a simple example of E-Field coupling using tesla coils. Basically E-field coupling just means that the coupling between two parts of an AC circuit is (primarily) through the electric field. The simplest example is an ordinary capacitor, which for example can couple energy from an AC driver circuit to a load via the E-field between the capacitor's two plates. Anywhere where you are coupling AC signals using capacitor plates of any shape and form, would be E-Field coupling.

In my attached sketch, assume the tesla coils TC1 and TC2 are far enough apart that the magnetic field surrounding TC1 does not significantly induce any currents in TC2. If the two capacitor top spheres or plates for the two tesla coils are close enough together to provide enough capacitance, the lightbulb connected to TC2 will light up. Power is being transferred from TC1 to TC2 by the capacitor effect, i.e., by E-field coupling. So, E-field coupling just means that the primary mode of coupling is just like the way a capacitor works in AC circuits.

Hi Woopy. I haven't read through this thread, but I am attaching a quick sketch of a simple example of E-Field coupling using tesla coils. Basically E-field coupling just means that the coupling between two parts of an AC circuit is (primarily) through the electric field. The simplest example is an ordinary capacitor, which for example can couple energy from an AC driver circuit to a load via the E-field between the capacitor's two plates. Anywhere where you are coupling AC signals using capacitor plates of any shape and form, would be E-Field coupling.

In my attached sketch, assume the tesla coils TC1 and TC2 are far enough apart that the magnetic field surrounding TC1 does not significantly induce any currents in TC2. If the two capacitor top spheres or plates for the two tesla coils are close enough together to provide enough capacitance, the lightbulb connected to TC2 will light up. Power is being transferred from TC1 to TC2 by the capacitor effect, i.e., by E-field coupling. So, E-field coupling just means that the primary mode of coupling is just like the way a capacitor works in AC circuits.

Hi Void

Thank's very much for your very good explanation

I have to say that i am always amazed by how a capacitor is supposed to work ?? This stay very unintuitve to me but the fact is that it works , and very well.

But so far i see when the energy is passed through a capacitor (due to E-field effect) , there is always and normally , lost due to antropy as per a normal circuitery.

Each component of any circuit consume some energy or better said . it adds some lost in efficiency.

But GOTOLUC shows in his videos that :

1- he has a Tinseluc coil that is idling at about 20 watts

2- by adding a component ,which is the receiver coil, he can light arround 3 watts without increasing the input power of the idling Tinseluc circuit

3- that by adding more load , not only he can get some output more light, but it seems that the input power of the Tinseluc coil goes somehow down ??

so my question what about the antropy in this very specific "capacitive coupling" ?

Hi Woopy. I haven't read through this thread, but I am attaching a quick sketch of a simple example of E-Field coupling using tesla coils. Basically E-field coupling just means that the coupling between two parts of an AC circuit is (primarily) through the electric field. The simplest example is an ordinary capacitor, which for example can couple energy from an AC driver circuit to a load via the E-field between the capacitor's two plates. Anywhere where you are coupling AC signals using capacitor plates of any shape and form, would be E-Field coupling.

In my attached sketch, assume the tesla coils TC1 and TC2 are far enough apart that the magnetic field surrounding TC1 does not significantly induce any currents in TC2. If the two capacitor top spheres or plates for the two tesla coils are close enough together to provide enough capacitance, the lightbulb connected to TC2 will light up. Power is being transferred from TC1 to TC2 by the capacitor effect, i.e., by E-field coupling. So, E-field coupling just means that the primary mode of coupling is just like the way a capacitor works in AC circuits.